arm64: dts: qcom: sm8750-mtp: Enable USB headset and Type-C accessory mode

arm64: dts: qcom: sm8750-mtp: Enable USB headset and Type-C accessory mode

MTP8750 does not have audio jack connected and relies on USB mux
(WCD9395).  Add necessary nodes for proper audio headset support along
with USB Type-C accessory mode and orientation.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260317-sm8750-display-dts-v5-3-fb53371e251c@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>